9/04/2009 @ 6:00PM

By The Numbers: Top-Earning Tennis Players

No. 1 Roger Federer

Annual earnings: $36 million

Career prize money: $50 million

Grand Slam titles: 15

Federer lost his No. 1 ranking last year to Rafael Nadal, but has rebounded to win three of the last four Grand Slam tournaments and reclaim the top spot. Last year he passed Pete Sampras for most career prize money and this year topped Sampras for most Grand Slam titles. His Nike deal is the sport’s most lucrative.